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CDUS41 KBOX 050528
CLIBOS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
128 AM EDT WED MAY 05 2021

...................................

...THE BOSTON MA CLIMATE SUMMARY FOR MAY 4 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         55    433 PM  90    2001  63     -8       70       
  MINIMUM         48   1037 AM  33    1911  47      1       48       
  AVERAGE         52                        55     -3       59     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.67          2.71 1893   0.11   0.56     0.00     
  MONTH TO DATE    0.72                      0.43   0.29     0.80     
  SINCE MAR 1      7.05                      8.23  -1.18     8.73     
  SINCE JAN 1     12.12                     14.83  -2.71    13.42     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1920   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE MAR 1      0.2                      10.6  -10.4      0.7      
  SINCE JUL 1     38.6                      49.2  -10.6     15.8      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       13                        10      3        6        
  MONTH TO DATE   31                        43    -12       23        
  SINCE MAR 1   1155                      1367   -212     1342        
  SINCE JUL 1   4932                      5305   -373     4725        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        1        
  SINCE MAR 1      0                         4     -4        1        
  SINCE JAN 1      0                         4     -4        1        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  NE (50)        
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (30)        
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     N (20)        
  AVERAGE WIND SPEED    10.7                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 1.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HEAVY RAIN                                                          
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           400 AM                                      
 LOWEST     64           400 PM                                      
 AVERAGE    77                                                        

..........................................................


THE BOSTON MA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   63        89      1949                      
 MINIMUM TEMPERATURE (F)   47        35      1874                      
                                             1891                     
                                             1907                     


SUNRISE AND SUNSET                                                    
MAY  5 2021...........SUNRISE   534 AM EDT   SUNSET   748 PM EDT     
MAY  6 2021...........SUNRISE   533 AM EDT   SUNSET   750 PM EDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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